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Dimethyl acetylenedicarboxylate

CAS No.
762-42-5
Chemical Name:
Dimethyl acetylenedicarboxylate
Synonyms
DMAD;ACETYLENEDICARBOXYLATE;Dimethyl acetylenedi;Dimethyl butynedioate;Dimethyl 2-butynedioate;Dimethyl But-2-yne-1,4-dioate;But-2-ynedioic acid dimethyl ester;enedicarboxyL;4-Diethyl-pyrrol;Dimethyl butyrate
CBNumber:
CB2721479
Molecular Formula:
C6H6O4
Molecular Weight:
142.11
MDL Number:
MFCD00008456
MOL File:
762-42-5.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 00:50:02
Product description Number Pack Size Price
Dimethyl acetylenedicarboxylate 99% D138401 5g $45.1
Dimethyl acetylenedicarboxylate 99% D138401 25g $105
Dimethyl Acetylenedicarboxylate >96.0%(GC) A0090 25mL $60
Dimethyl Acetylenedicarboxylate >96.0%(GC) A0090 100mL $174
Dimethyl acetylene dicarboxylate Asreported 270938 25g $333
More product size

Dimethyl acetylenedicarboxylate Properties

Melting point -18 °C
Boiling point 95-98 °C/19 mmHg (lit.)
Density 1.156 g/mL at 25 °C (lit.)
refractive index n20/D 1.447(lit.)
Flash point 187 °F
storage temp. Keep in dark place,Sealed in dry,Room Temperature
form Liquid
color Colorless to pale yellow
Water Solubility Soluble in most organic solvents. Insoluble in water.
Sensitive Light Sensitive
BRN 607063
InChI 1S/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3
InChIKey VHILMKFSCRWWIJ-UHFFFAOYSA-N
SMILES COC(=O)C#CC(=O)OC
CAS DataBase Reference 762-42-5(CAS DataBase Reference)
FDA UNII 7HZA2PL15F
NIST Chemistry Reference 2-Butynedioic acid, dimethyl ester(762-42-5)
EPA Substance Registry System 2-Butynedioic acid, dimethyl ester (762-42-5)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H314
Precautionary statements  P270-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
PPE Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes  C
Risk Statements  34-22
Safety Statements  23-26-27-36/37/39-45
RIDADR  UN 3265 8/PG 2
WGK Germany  3
RTECS  ES0175000
8-19
TSCA  TSCA listed
HazardClass  8
PackingGroup  III
HS Code  29171990
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
Skin Corr. 1B
REACH Registrations Active
Limited Quantities 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
1
3 0

Dimethyl acetylenedicarboxylate price More Price(105)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D138401 Dimethyl acetylenedicarboxylate 99% 762-42-5 5g $45.1 2026-04-30 Buy
Sigma-Aldrich D138401 Dimethyl acetylenedicarboxylate 99% 762-42-5 25g $105 2026-04-30 Buy
TCI Chemical A0090 Dimethyl Acetylenedicarboxylate >96.0%(GC) 762-42-5 25mL $60 2026-04-30 Buy
TCI Chemical A0090 Dimethyl Acetylenedicarboxylate >96.0%(GC) 762-42-5 100mL $174 2026-04-30 Buy
Usbiological 270938 Dimethyl acetylene dicarboxylate Asreported 762-42-5 25g $333 2026-06-03 Buy
Product number Packaging Price Buy
D138401 5g $45.1 Buy
D138401 25g $105 Buy
A0090 25mL $60 Buy
A0090 100mL $174 Buy
270938 25g $333 Buy

Dimethyl acetylenedicarboxylate Chemical Properties,Uses,Production

Chemical Properties

clear colorless to light yellow liquid

Uses

Dimethyl acetylenedicarboxylate as a versatile dienophile used in Diels-Alder reactions.

Synthesis Reference(s)

Tetrahedron Letters, 35, p. 6243, 1994 DOI: 10.1016/S0040-4039(00)73402-2

Flammability and Explosibility

Non flammable

Global( 439)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Chuanghai Biotechnology Co., Ltd
+8615350571055 Sibel@chuanghaibio.com China 8738 58
Shaanxi Didu New Materials Co. Ltd
+86-86-17392712697 +8617792793228 1069@dideu.com China 8609 58
Hebei Xinsheng New Material Technology Co., LTD.
+86-16632316109 xinshengkeji@xsmaterial.com China 1085 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806 sales@capot.com China 29640 60
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21587 55
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418679 +8618949832763 info@tnjchem.com China 2988 55
Shanxi Naipu Import and Export Co.,Ltd
+86-13734021967 +8613734021967 kaia@neputrading.com China 1001 58
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29815 58
Changzhou Ansciep Chemical Co., Ltd.
+86 519 86305871 sales@ansciepchem.com CHINA 4241 58
Jinan Carbotang Biotech Co.,Ltd.
+8615866703830 figo.gao@foxmail.com China 8497 58

Related articles

View Lastest Price from Dimethyl acetylenedicarboxylate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Dimethyl acetylenedicarboxylate pictures 2026-05-15 Dimethyl acetylenedicarboxylate
762-42-5
$1.50 1g 99.0% Min 1Ton Shaanxi Didu New Materials Co. Ltd
Dimethyl acetylenedicarboxylate pictures 2026-03-20 Dimethyl acetylenedicarboxylate
762-42-5
$10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
Dimethyl acetylenedicarboxylate pictures 2025-04-04 Dimethyl acetylenedicarboxylate
762-42-5
1KG 98% 1ton Henan Aochuang Chemical Co.,Ltd.
1,2-Acetylenedicarboxylic acid dimethyl ester 1,2-Ethynedicarboxylic acid dimethyl ester 2-Butynedioic acid dimethyl Ethyne-1,2-dicarboxylic acid dimethyl ester Dimethyl acetylenedicarboxylate,98% Dimethyl But-2-yne-1,4-dioate Dimethyl acetylenedicarboxylate ,99% Dimethyl acetylenedi DiMethyl acetylenedicarboxylate, 98% 100GR DiMethyl acetylenedicarboxylate, 98% 25GR DiMethyl acetylenedicarboxylate, 98% 5GR DIMETHYL ACETYLENEDICARBOXYLATE FOR SYNT Pent-2-ynedioic acid diMethyl ester DiMethyl acetylenedicarboxylate 99% 1,2-Bis(methoxycarbonyl)acetylene 1,2-Bis(methoxycarbonyl)ethyne 2-butynedioicacid,dimethylester Bis(carbomethoxy)acetylene Bis(methoxycarbonyl)acetylene But-2-ynedioic acid dimethyl ester but-2-ynedioicaciddimethylester Butynedioic acid dimethyl ester Di(carbomethoxy)acetylene Dimethyl 1,2-acetylenedicarboxylate Dimethyl acetylenedicarboxylic acid Dimethyl butyne-1,4-dioate Dimethyl butynedioate Dimethyl ethynedicarboxylate enedicarboxyL dimethylacetylenedicarboxylicacid dimethylethynedicarboxylate Methyl acetylenedicarboxylate methylacetylenedicarboxylate ACETYLENEDICARBOXYLIC ACID DIMETHYL ESTER DIMETHYL ACETYLENEDICARBOXYLATE DIMETHYL BUT-2-YNDIOATE Acetylenedicarboxylic acid dimethyl ester~Butynedioic acid dimethyl ester~DMAD DIMETHYL ACETYLENEDICARBOXYLATE (DMADC) Dimethylacetylenedicarboxylate=DMAD DIMETHYLACETYLENE DICARBOXYLOATE Dimetyl acetylene dicarboxylate Dimethyl 2-butynedioate Dimethyl butyrate Dimethyl Acetylenedicarboxylate > 2-Butynedioic acid, 1,4-dimethyl ester 4-Diethyl-pyrrol Dimethyl acetylenedicarboxylate, 95% ethylynedimacetic acidimethyl ester ACETYLENEDICARBOXYLATE DMAD 762-42-5 62-42-5 CH3O2CCCCO2CH3 CH3OCOC8801CCO2CH3 C6H606 Building Blocks Carbonyl Compounds C6 to C7